MY122168A - Method for producing a magnetic grain oriented steel sheet with low level loss by magnetic reversal and high polarisation - Google Patents

Method for producing a magnetic grain oriented steel sheet with low level loss by magnetic reversal and high polarisation

Info

Publication number
MY122168A
MY122168A MYPI98004670A MYPI9804670A MY122168A MY 122168 A MY122168 A MY 122168A MY PI98004670 A MYPI98004670 A MY PI98004670A MY PI9804670 A MYPI9804670 A MY PI9804670A MY 122168 A MY122168 A MY 122168A
Authority
MY
Malaysia
Prior art keywords
rolled
thickness
annealing
magnetic
steel sheet
Prior art date
Application number
MYPI98004670A
Inventor
Hans Dr Pircher
Rudolf Dr Kawalla
Manfred Dr Espenhahn
Andreas Dr Bottcher
Klaus Dr Gunther
Hans Dr Huneus
Carl-Dieter Dr Wuppermann
Original Assignee
Thyssenkrupp Stahl Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thyssenkrupp Stahl Ag filed Critical Thyssenkrupp Stahl Ag
Publication of MY122168A publication Critical patent/MY122168A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1205—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving particular fabrication steps or treatments of ingots or slabs
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • C21D1/30—Stress-relieving
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the working steps
    • C21D8/1222—Hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment
    • C21D8/1255—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment with diffusion of elements, e.g. decarburising, nitriding
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1277—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular surface treatment
    • C21D8/1283—Application of a separating or insulating coating
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1205—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving particular fabrication steps or treatments of ingots or slabs
    • C21D8/1211—Rapid solidification; Thin strip casting
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the working steps
    • C21D8/1233—Cold rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment
    • C21D8/1261—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment following hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment
    • C21D8/1272—Final recrystallisation annealing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Continuous Casting (AREA)

Abstract

THIS INVENTION CONCERNS A METHOD OF PRODUCING GRAIN-ORIENTED ELECTRIC STEEL SHEET BY MELTING A SILICON STEEL AND CASTING THIS MELT CONTINUOUSLY TO FORM A STRAND WITH A THICKNESS OF 25 MM TO 100 MM. AFTER SOLIDIFYING, THE STRAND IS COOLED TO A TEMPERATURE ABOVE 700°C AND DIVIDED INTO THIN SLABS. THEN THE THIN SLABS PASS THROUGH AN IN-LINE HOLDING FURNACE, WHERE THEY ARE HEATED TO A TEMPERATURE OF < 1170°C AND ROLLED CONTINUOUSLY IN A MULTIPLE-STAGE HOT-ROLLING STAND TO FORM HOT-ROLLED STEEL STRIPWITH A THICKNESS OF < 3.0 MM. THE FIRST FORMING PASS IS PERFORMED AT A TEMPERATURE OF UP TO 1150°C IN THE ROLLING STOCK. AT LEAST A 20% REDUCTION IN THICKNESS IS ACHIEVED. THE HOT-ROLLED STRIP IS COLD ROLLED TO A FINAL THICKNESS IN THE RANGE OF 0.15 TO 0.50 MM IN ONE OR MORE STAGES WITH RECRYSTALLIZING INTERMEDIATE ANNEALING. THEN THE COLD-ROLLED STRIP IS RECYRSTALLIZATION AND DECARBURIZATION ANNEALED, PROVIDED WITH AN ANNEALING SEPARATOR CONTAINING MOSTLY MGO AND THEN SUBJECTED TO THE FINAL ANNEALING TO ACHIEVE A GOSS ORIENTATION. THEN THE STRIP IS COATED WITH ELECTRIC INSULATION AND SUBJECTED TO STRESS-FREE ANNEALING.
MYPI98004670A 1997-10-15 1998-10-13 Method for producing a magnetic grain oriented steel sheet with low level loss by magnetic reversal and high polarisation MY122168A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19745445A DE19745445C1 (en) 1997-10-15 1997-10-15 Process for the production of grain-oriented electrical sheet with low magnetic loss and high polarization

Publications (1)

Publication Number Publication Date
MY122168A true MY122168A (en) 2006-03-31

Family

ID=7845557

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI98004670A MY122168A (en) 1997-10-15 1998-10-13 Method for producing a magnetic grain oriented steel sheet with low level loss by magnetic reversal and high polarisation

Country Status (15)

Country Link
US (1) US6524400B1 (en)
EP (1) EP1025268B1 (en)
JP (1) JP5188658B2 (en)
KR (1) KR100566597B1 (en)
AU (1) AU730723B2 (en)
BR (1) BR9813255A (en)
CA (1) CA2306208C (en)
CZ (1) CZ291078B6 (en)
DE (2) DE19745445C1 (en)
HU (1) HUP0004822A3 (en)
MY (1) MY122168A (en)
PL (1) PL188187B1 (en)
TW (1) TW397869B (en)
WO (1) WO1999019521A1 (en)
ZA (1) ZA988932B (en)

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PL1752549T3 (en) * 2005-08-03 2017-08-31 Thyssenkrupp Steel Europe Ag Process for manufacturing grain-oriented magnetic steel spring
ITRM20070218A1 (en) * 2007-04-18 2008-10-19 Ct Sviluppo Materiali Spa PROCEDURE FOR THE PRODUCTION OF MAGNETIC SHEET WITH ORIENTED GRAIN
DE102008029581A1 (en) 2007-07-21 2009-01-22 Sms Demag Ag Method and apparatus for making strips of silicon or multi-phase steel
US8202374B2 (en) * 2009-04-06 2012-06-19 Nippon Steel Corporation Method of treating steel for grain-oriented electrical steel sheet and method of manufacturing grain-oriented electrical steel sheet
RU2407808C1 (en) * 2009-08-03 2010-12-27 Открытое акционерное общество "Новолипецкий металлургический комбинат" Procedure for production of anisotropic electro-technical steel with low specific losses for re-magnetisation
RU2403293C1 (en) * 2009-08-03 2010-11-10 Открытое акционерное общество "Новолипецкий металлургический комбинат" Manufacturing method of anisotropic electrotechnical steel
RU2407809C1 (en) * 2009-08-03 2010-12-27 Открытое акционерное общество "Новолипецкий металлургический комбинат" Procedure for production of anisotropic electro-technical steel with high magnetic properties
EP2470679B1 (en) * 2009-11-25 2013-01-09 Tata Steel IJmuiden B.V. Process to manufacture grain-oriented electrical steel strip
WO2011114178A1 (en) * 2010-03-19 2011-09-22 Arcelormittal Investigación Y Desarrollo Sl Process for the production of grain oriented electrical steel
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DE102011000712A1 (en) 2011-02-14 2012-08-16 Thyssenkrupp Electrical Steel Gmbh Method for producing a grain-oriented flat steel product
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EP2876173B9 (en) * 2012-07-20 2019-06-19 Nippon Steel & Sumitomo Metal Corporation Manufacturing method of grain-oriented electrical steel sheet
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KR101796234B1 (en) * 2015-12-22 2017-11-09 주식회사 포스코 Insulation coating composite for oriented electrical steel steet, forming method of insulation coating using the same, and oriented electrical steel steet
DE102017220721A1 (en) 2017-11-20 2019-05-23 Thyssenkrupp Ag Optimization of nitrogen levels during bell annealing III
DE102017220714B3 (en) 2017-11-20 2019-01-24 Thyssenkrupp Ag Optimization of the nitrogen level during the hood annealing
DE102017220718A1 (en) 2017-11-20 2019-05-23 Thyssenkrupp Ag Optimization of nitrogen levels during bell annealing II
WO2020088764A1 (en) 2018-10-31 2020-05-07 Thyssenkrupp Electrical Steel Gmbh Method for producing a grain-oriented flat steel product for electromagnetic applications, flat steel product for electromagnetic applications, and transformer core stack produced from such a flat steel product
EP3693496A1 (en) 2019-02-06 2020-08-12 Rembrandtin Lack GmbH Nfg.KG Aqueous composition for coating grain-oriented steel
EP3715479A1 (en) 2019-03-26 2020-09-30 Thyssenkrupp Electrical Steel Gmbh Lean method for secondary recrystallization of grain oriented electrical steel in a continuous processing line
EP3715480A1 (en) 2019-03-26 2020-09-30 Thyssenkrupp Electrical Steel Gmbh Iron-silicon material suitable for medium frequency applications
KR102820621B1 (en) * 2020-07-15 2025-06-13 닛폰세이테츠 가부시키가이샤 Grain-oriented electrical steel sheet and method for manufacturing grain-oriented electrical steel sheet
DE102020209299A1 (en) 2020-07-23 2022-01-27 Sms Group Gmbh Method of manufacturing steel strip
CN113058999B (en) * 2021-04-06 2022-05-10 中铼新材料有限公司 Method for manufacturing ultrathin rhenium foil
CN114480792B (en) * 2021-12-15 2023-06-20 中南大学 A method for regulating the crystal plane orientation of metal materials and the obtained metal materials and applications
EP4273280A1 (en) 2022-05-04 2023-11-08 Thyssenkrupp Electrical Steel Gmbh Method for producing a grain-oriented electrical steel strip and grain-oriented electrical steel strip
EP4365319A1 (en) 2022-11-03 2024-05-08 Thyssenkrupp Electrical Steel Gmbh Grain-oriented electrical steel strip and method for its production
EP4570926A1 (en) 2023-12-13 2025-06-18 Thyssenkrupp Electrical Steel Gmbh Grain-oriented flat steel product and method for the production thereof
EP4589026A1 (en) 2024-01-18 2025-07-23 Thyssenkrupp Electrical Steel Gmbh Grain-oriented electrical steel sheet and method for its production
EP4589027A1 (en) 2024-01-18 2025-07-23 Thyssenkrupp Electrical Steel Gmbh Grain-oriented electrical steel sheet and method for its production
EP4589028A1 (en) 2024-01-18 2025-07-23 Thyssenkrupp Electrical Steel Gmbh Grain-oriented electrical steel sheet coated with a resin and used for stacking

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Also Published As

Publication number Publication date
WO1999019521A1 (en) 1999-04-22
US6524400B1 (en) 2003-02-25
PL339842A1 (en) 2001-01-02
CZ20001339A3 (en) 2001-06-13
EP1025268A1 (en) 2000-08-09
DE19745445C1 (en) 1999-07-08
BR9813255A (en) 2000-08-22
PL188187B1 (en) 2004-12-31
KR20010031118A (en) 2001-04-16
KR100566597B1 (en) 2006-03-31
JP5188658B2 (en) 2013-04-24
AU730723B2 (en) 2001-03-15
CA2306208C (en) 2009-04-21
AU9267098A (en) 1999-05-03
CZ291078B6 (en) 2002-12-11
HUP0004822A3 (en) 2001-07-30
DE59804081D1 (en) 2002-06-13
ZA988932B (en) 1999-03-31
TW397869B (en) 2000-07-11
EP1025268B1 (en) 2002-05-08
JP2001520311A (en) 2001-10-30
HUP0004822A2 (en) 2001-05-28
CA2306208A1 (en) 1999-04-22

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